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2008 - MX-5 - Body and Accessories

DTC B2477 [ADVANCED KEYLESS SYSTEM]



DTC B2477

Configuration error.

DETECTION CONDITION

  • Keyless control module configuration has not been performed correctly.

POSSIBLE CAUSE

  • Keyless control module configuration error.

  • Malfunction in the keyless control module internal circuit


Diagnostic procedure

STEP

INSPECTION

ACTION

1

PERFORM INSTRUMENT KEYLESS CONTROL MODULE CONFIGURATION
  • Perform keyless control module configuration.

  • Is B2477 displayed?

Yes

Replace the keyless control module and perform the resetting procedure for the advanced keyless system when replacing the keyless control module.

(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS SYSTEM].)

(See CARD KEY ID CODE REGISTRATION [ADVANCED KEYLESS SYSTEM])

(See STEERING LOCK UNIT ID CODE REGISTRATION [ADVANCED KEYLESS SYSTEM])

(See KEYLESS CONTROL MODULE CONFIGURATION [ADVANCED KEYLESS SYSTEM])

(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [ADVANCED KEYLESS SYSTEM])

(See SECURITY ACCESS PROCEDURE [ADVANCED KEYLESS SYSTEM])

No

  • Go to the next step.

2

VERIFY TROUBLESHOOTING OF DTC B2477 COMPLETED
  • Clear the DTC from the memory.

  • Is any DTC displayed?

Yes

Go to the applicable DTC inspection.

No

DTC troubleshooting completed.




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